.010 Square End Mill – 4 Flute

Bought this for engraving fine detail into stainless steel and the 4-flute carbide geometry leaves a noticeably cleaner floor than the 2-flute bits I was using. The .010 square end is fragile by nature, but so far it's cutting sharp without any chatter.

That .010 tip held up way better than I expected cutting stainless — no chipping after a dozen passes. Cuts stayed sharp and the chips cleared fine even at shallow depths.

Using this little .010 carbide bit on stainless was genuinely impressive, it held its edge through a long engraving run without any chipping. The 4-flute square end gave me those crisp, clean corners I’ve struggled to get with cheaper end mills. It’s tiny, so you gotta be patient with speeds, but it